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Individual Calculations October 2019 |
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| Oosthuizen, Michal Jacobus Total change: 101.15 | |   |
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| 2019-SUA INTERNATIONAL OPEN-OPEN SECTION | SUA | BOT | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1617 | 2.50 | 6 | 1.50 | 35 | 52.50 | |
|  Bayani, Kuda | | | 2016 | BOT | 1.00 | 1 | 0.92 | 35 | 32.20 | |  Sabure, Bojosi | | | 1972 | BOT | 0.00 | 1 | -0.11 | 35 | -3.85 | | | Kesiilwe, Dragon | | | 1846 | BOT | 1.00 | 1 | 0.79 | 35 | 27.65 | | | Diczhino, Mogalakwe | | | 1884 | BOT | 0.00 | 1 | -0.18 | 35 | -6.30 | | | Machobane, Moemedi | | | 1879 | BOT | 0.00 | 1 | -0.18 | 35 | -6.30 | | | Boikhutswane, Kenneth | | | 1822 | BOT | 0.50 | 1 | 0.26 | 35 | 9.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2019 Tshwane Chess Etienne Lewis Trials (U16 Boys) | Pretoria | RSA | 2019-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1617 | 6.50 | 7 | 0.81 | 35 | 28.35 | |
| | Shuping, Omphile | | | 1309 | RSA | 1.00 | 1 | 0.14 | 35 | 4.90 | | | Greyling, Hendrik | | | 1217 * | RSA | 1.00 | 1 | 0.08 | 35 | 2.80 | | | Le Roux , Emile | | | 1442 | RSA | 1.00 | 1 | 0.27 | 35 | 9.45 | | | Lodi, Neo | | | 1217 * | RSA | 1.00 | 1 | 0.08 | 35 | 2.80 | | | Naidoo, Tashil | | | 1454 | RSA | 0.50 | 1 | -0.22 | 35 | -7.70 | | | Lubbe, David Stefanus | | | 1340 | RSA | 1.00 | 1 | 0.17 | 35 | 5.95 | | | Bedesi, Tahil Tiresh | c | | 1456 | RSA | 1.00 | 1 | 0.29 | 35 | 10.15 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Alfred Pesa Open 2019 (A-Section) | Kimberley | RSA | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1617 | 3.00 | 7 | 0.58 | 35 | 20.30 | |
| | Masiya, Mfundo | | | 1959 | RSA | 0.00 | 1 | -0.12 | 35 | -4.20 | | | Mashope, Mpho D. | | | 1663 | RSA | 1.00 | 1 | 0.56 | 35 | 19.60 | | | Mamombe, Kudzanai | m | | 1887 | ZIM | 1.00 | 1 | 0.83 | 35 | 29.05 | | | Mafanya, Kulasande | | | 1818 | RSA | 0.00 | 1 | -0.24 | 35 | -8.40 | | | Mathebula, Xolani Cebo | | | 1632 | RSA | 0.00 | 1 | -0.48 | 35 | -16.80 | | | Ngakane, Dan | | | 1687 | RSA | 1.00 | 1 | 0.60 | 35 | 21.00 | | | Ngcongo, Minenhle | | | 1567 | RSA | 0.00 | 1 | -0.57 | 35 | -19.95 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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